Horseshoe-nail clencher.



'PATENTED NOV. 20, 1906.- W. S. .GASTERLIN.

HORSESHOE NAIL GLENOHER.

APPLICATION FILED JUI'IY 10. 1906.

wihwoaeo @Zwz? UNITED STATES PATENT OFFICE.

WARREN S. CASTERLIN, OF OWEGO, NEW YORK.

Specification of Letters Patent.

Patented Nov. 20, 1906.

Application filed July 10, 1906. Serial No. 325,44

. '0 all whom it may concern:

Be it known that I, WARREN S. CAsTERLiN, a citizen of the United States of America, residing at Owego, in the county of Tioga and State of New York, have invented certain new and useful Improvements in Horseshoe- Nail Clenchers, of which the following is such a full, clear, and exact description as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to farriers tools, and has for its particular object the provision of an eflicient and easily-operated device for clenching horseshoe-nails after they have been driven through the hoof. .This object is attained by the use of the construction illustrated in the accompanying drawings and hereinafter fully described, the novel features of the invention being subsequently defined in the appended claims.

In the drawings, which show the preferred embodiment of the invention, Figure l is a side elevation of the tool. Fig. 2 is an edge view of the same, and Fig. 3 is an enlarged detail view.

The tool consists, primarily, of the handles 1 2, pivoted together, as at 3, and having bifurcations or forks 4 at their ends beyond the point of intersection. Within the said forks or bifurcations I pivotally secure the rollers or cylindrical gripping-blocks 5, provided with transverse teeth 6 around their annular sides or edges. In the bases of the forks or bifurcations 4 are grooves 7, which are adapted to receive soft-metal keys 8 or other locking means to prevent rotation of the gripping or clenching blocks. The keys are slightly wedge-shaped and are preferably formed with teeth on their upper sides corresponding to the teeth on the cylindrical clenching-blocks, so that the rotation of the blocks will effect an engagement of the teeth and force the keys into position beneath the blocks.

The construction and arrangement of the parts of the device being thus made known, the use of the device will be readily understood. The cylindrical blocks having been fitted in position, the keys are driven home and will positively engage the blocks, so as to prevent rotation of the same. The tool is then manipulated by moving the handle members to separate the clenching-blocks sufliciently to permit the edge of the hoofto enter between them, the lower block engaging the head of the nail to be clenched. By moving the handles together the upper clencher-block will then be caused to ride against and over the pointed end of the nail and bend the same over against the hoof to clench it. The clenching of the nail is thus accomplished easily and rapidly without affecting the nerves or temper of the animal and without the use of the hammer and rasp. The keys hold the blocks rigid while in operation, but can be easily withdrawn when it is desired to turn the roller, so as to present new teeth to the nail. When the tool is in use, however, the tendency of the block to turn will simply cause the key to hold the more firmly. When all the teeth on the block have become worn through use, the block may be removed and a new block substituted or new teeth out on the block. By having teeth around the entire edge of the block the life of the tool is prolonged, as after the teeth first in use are worn the block can be slightly turned in a few minutes to present new teeth. The end of one member is slightly longer than the other, and either member may be-uppermost, according to the position of the nail-point to be clenched.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is

1.. A nailclencher comprising pivoted members, serrated cylindrical clenchingblocks in the ends of said members, and means for preventing the turning of the said blocks.

2. A nail-clencher comprising a serrated. cylindrical clenching-block, and means for preventing said block from turning when in use.

3. A nail-clencher comprising a rotatable cylindrical clenching-block, and means for holding said block rigid while in use.

4. A nail-clencher comprising a handle, a clenching-block rotatably mounted within the end of the handle, and a key fitted in the handle between the body of the same and the block and engaging the block to hold it against rotation.

5. A nail-clencher comprising a handle, a

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serrated cylindrical clenching-block pivotally I specification in the presence of two subscribmougtked in the card h(1) 1? 13112113113136, 3,1r1dba1ta I ing Witnesses.v pere ey inserte t on t e an e e 0W 1 the clenching-block and engaging the serre- WARREN OASTERLIN' tions of the same to prevent rotation of the Witnesses: block. I FRED A. PARSONS,

In testimony whereof I have signed this I W. H. PRITCHARD. 

